Louisiana in september: average Weather, Temperature and Climate, Where to go?
Weather in Louisiana in september 2025
In this section, find the the weather forecast for the month of september for most popular cities in Louisiana. These forecasts are statistics for the month of september from weather reports for many years. The percentage indicates the possibility of having the weather mentioned.
Average weather in september in New Orleans
good weather UV index: 7
Weather at 6am
77°F
Clear/Sunny
52% of time
27%
15%
4%
Weather at 12pm
88°F
Clear/Sunny
48% of time
29%
17%
5%
Weather at 6pm
85°F
Clear/Sunny
53% of time
22%
19%
5%
Weather at 3am
79°F
50%
21%
20%
7%
More information about the weather in New Orleans in september
Where to go in Louisiana in september?
Where to go in Louisiana in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Louisiana in september when it comes to the weather?
Remember:
The climate in Louisiana in september is good across the board.
Good news: Although it is not perfect the weather in Louisiana in september is quite good averywhere: in Natchitoches, Grand Isle, Oakdale, Houma, Ruston, Port Sulphur, Monroe, New Orleans, Lake Charles, Marksville, Opelousas, New Iberia, Baton Rouge, Shreveport, Cameron, Slidell and Morgan City. I allows to savor tour anywhere in the country. And even why not take a little time to sunbathe!
Climate in Louisiana in september
Climate in New Orleans in september
In the month of september, maximum temperature is 88°F and minimum temperature is 77°F (for an average temperature of 83°F). The climate is burning in that locality in this month. With 5.1in over 10 days, you risk getting wet slightly during your trip. But this is rather reasonably and you will not be too bothered by it.
With a good climate, september is a good month to go in New Orleans.
| September | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 5.1in | ||
| Number of days with rainfall | 10 day(s) (32%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 27% | ||
| Length of day | 12:20 | ||
| Our opinion at whereandwhen.net | good |
Climate in Baton Rouge in september
In the month of september, the mean temperature in Baton Rouge is 81°F (maximum temperature is 90°F and minimum temperature is 72°F). The climate is burning there in september. With 7.5in over 10 days, rainfall can happen during your journey. But this is rather moderate and you will not be too bothered by it.
With good weather conditions, september is a good month to go in that area in Louisiana.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 72°F | ||
| Rainfall | 7.5in | ||
| Number of days with rainfall | 10 day(s) (33%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 33% | ||
| Length of day | 12:20 | ||
| Our opinion at whereandwhen.net | good |
Climate in Shreveport in september
In september, maximum temperature is 90°F and minimum temperature is 70°F (for an average temperature of 81°F). The climate is burning in this city in september. With 2.8in over 4 days, you will experience some showers throughout your journey. But this is pretty moderate and you will not be too bothered by it.
With a good climate, september is an advisable month to go in Shreveport in Louisiana.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 70°F | ||
| Rainfall | 2.8in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 29% | ||
| Length of day | 12:21 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Alexandria (Louisiane) in september
In the month of september, the mean temperature in Alexandria (Louisiane) is 79°F (maximum temperature is 90°F and minimum temperature is 70°F). The climate is burning in that locality in september. With 6.2in over 8 days, rainfall can happen for your vacations. But this is rather moderate and you will not be too bothered by it.
With good weather conditions, the month of september is a recommended month to go in this locality.
| September | |||
| Average temperature | 79°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 70°F | ||
| Rainfall | 6.2in | ||
| Number of days with rainfall | 8 day(s) (26%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 32% | ||
| Length of day | 12:21 | ||
| Our opinion at whereandwhen.net | good |
Climate in Cameron in september
In the month of september, the mean temperature in Cameron is 81°F (maximum temperature is 88°F and minimum temperature is 74°F). The climate is very warm there in the month of september. With 7.2in over 9 days, you will experience some showers throughout your vacations. But this is moderate and it will not be continuous.
With a good climate, september is a good month to go there.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 74°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 7.2in | ||
| Number of days with rainfall | 9 day(s) (30%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 30% | ||
| Length of day | 12:20 | ||
| Our opinion at whereandwhen.net | good |
All cities in Louisiana in september
| New Orleans in september | good weather |
| Baton Rouge in september | good weather |
| Shreveport in september | perfect weather |
| Alexandria (Louisiane) in september | good weather |
| Cameron in september | good weather |
| Grand Isle in september | good weather |
| Holly Beach in september | good weather |
| Houma in september | good weather |
| New Iberia in september | good weather |
| Lake Charles in september | good weather |
| Marksville in september | good weather |
| Marsh Island in september | good weather |
| Monroe in september | good weather |
| Morgan City in september | good weather |
| Natchitoches in september | good weather |
| Oakdale in september | good weather |
| Opelousas in september | good weather |
| Pecan Island in september | good weather |
| Port Sulphur in september | good weather |
| Ruston in september | good weather |
| Slidell in september | good weather |
Weather data for Louisiana in september:
Weather data for Louisiana in september is derived from an average of the weather forecast since 2009 in Louisiana. There is a margin of error and these forecasts are to be considered as general information only. The weather in Louisiana can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Louisiana.